package day12;

import java.util.LinkedList;
import java.util.Map;

/**
 * @author oldliu
 * @since 1.0
 */
public class TestMachine {
    public static void main(String[] args) {
        Machine.Refrigerator r=new Machine.Refrigerator("美的冰箱",200);
        r.show();
        //Map.Entry v=null;
        // LinkedList
        LinkedList e=null;
    }
}
